How about some brand-new content?
Shakes & Fidget added the dark Shadow World a few months ago. Now friendlier creatures will soon settle the land. This time you can collect, train and compete with them.
The pets are coming!

The pets descend from the five elements of fire, water, earth, light and shade. Tamed and trained by you, they can explore their own dungeons, pit their strength against others in battle and improve your abilities.
They’ll be available soon!

There will not only be five pets. There will be more!
Here's another screenshot taken from the news email:

According to a press release (source) the pets will help heroes against evil monsters and other heroes. You have to find pets and raise them or level them up. Once strong enough they can enter own dungeons (new dungeons for pets?), fight against enemies and even boost the heroes' attributes.

+ some pets can only be found in certain regions at a certain time of the day, for example in the Busted Lands at night or in winter.

+ epic pets can be unlocked by completing certain tasks

+ which came first, the egg or the pet? The egg of course! Eggs need to be bred. The hatched pets need food - feed and raise them up to level 100.

+ pets can explore five new dungeons and boost your attributes. Every element is assigned to an attribute.

+ pet battles! Fight against random opponents and choose one of your elements to start the fight. You can only choose every element once a day, which limits pet battles to five a day. Defeat another player's pet to win food.